
\usepackage{threeparttable}

\begin{table}
\caption{Treatment effects on support for non-citizen local voting rights among Democratic voters in Study 1}
\begin{center}
\begin{threeparttable}
\begin{tabular}{l c c c c c c c c}
\hline
 & \multicolumn{1}{c}{vote US} & \multicolumn{1}{c}{vote own} & \multicolumn{1}{c}{gov dec} & \multicolumn{1}{c}{more info} & \multicolumn{1}{c}{vote US} & \multicolumn{1}{c}{vote own} & \multicolumn{1}{c}{gov dec} & \multicolumn{1}{c}{more info} \\
\cline{2-2} \cline{3-3} \cline{4-4} \cline{5-5} \cline{6-6} \cline{7-7} \cline{8-8} \cline{9-9}
 & (1) & (2) & (3) & (4) & (5) & (6) & (7) & (8) \\
\hline
control            & $3.726^{*}$         & $3.833^{*}$         & $3.795^{*}$         & $0.195^{*}$        & $1.758^{*}$         & $1.786^{*}$         & $1.778^{*}$         & $0.051$             \\
                   & $ [ 3.604;  3.848]$ & $ [ 3.712;  3.954]$ & $ [ 3.669;  3.920]$ & $ [ 0.157; 0.233]$ & $ [ 1.246;  2.270]$ & $ [ 1.280;  2.292]$ & $ [ 1.251;  2.306]$ & $ [-0.090;  0.192]$ \\
co-partisan        & $0.075$             & $0.027$             & $-0.119$            & $-0.029$           & $0.128$             & $0.078$             & $-0.071$            & $-0.027$            \\
                   & $ [-0.099;  0.249]$ & $ [-0.146;  0.201]$ & $ [-0.302;  0.064]$ & $ [-0.081; 0.024]$ & $ [-0.034;  0.290]$ & $ [-0.083;  0.239]$ & $ [-0.245;  0.102]$ & $ [-0.080;  0.025]$ \\
counter-partisan   & $-0.687^{*}$        & $-0.747^{*}$        & $-0.758^{*}$        & $0.013$            & $-0.634^{*}$        & $-0.690^{*}$        & $-0.717^{*}$        & $0.015$             \\
                   & $ [-0.870; -0.505]$ & $ [-0.929; -0.565]$ & $ [-0.947; -0.570]$ & $ [-0.042; 0.067]$ & $ [-0.808; -0.460]$ & $ [-0.864; -0.515]$ & $ [-0.899; -0.534]$ & $ [-0.040;  0.070]$ \\
college            &                     &                     &                     &                    & $0.031$             & $0.059$             & $0.109$             & $-0.000$            \\
                   &                     &                     &                     &                    & $ [-0.142;  0.203]$ & $ [-0.119;  0.237]$ & $ [-0.077;  0.294]$ & $ [-0.055;  0.054]$ \\
male               &                     &                     &                     &                    & $-0.054$            & $-0.068$            & $-0.079$            & $-0.037$            \\
                   &                     &                     &                     &                    & $ [-0.192;  0.084]$ & $ [-0.207;  0.070]$ & $ [-0.226;  0.069]$ & $ [-0.081;  0.007]$ \\
white              &                     &                     &                     &                    & $-0.048$            & $-0.021$            & $0.031$             & $-0.074^{*}$        \\
                   &                     &                     &                     &                    & $ [-0.278;  0.182]$ & $ [-0.255;  0.213]$ & $ [-0.213;  0.275]$ & $ [-0.144; -0.003]$ \\
latino             &                     &                     &                     &                    & $-0.131$            & $-0.074$            & $-0.004$            & $-0.005$            \\
                   &                     &                     &                     &                    & $ [-0.366;  0.104]$ & $ [-0.314;  0.166]$ & $ [-0.248;  0.239]$ & $ [-0.072;  0.061]$ \\
strong partisan    &                     &                     &                     &                    & $0.266^{*}$         & $0.302^{*}$         & $0.181$             & $0.000$             \\
                   &                     &                     &                     &                    & $ [ 0.084;  0.449]$ & $ [ 0.118;  0.487]$ & $ [-0.009;  0.372]$ & $ [-0.053;  0.053]$ \\
employed           &                     &                     &                     &                    & $0.211^{*}$         & $0.209^{*}$         & $0.210^{*}$         & $-0.013$            \\
                   &                     &                     &                     &                    & $ [ 0.071;  0.351]$ & $ [ 0.069;  0.350]$ & $ [ 0.061;  0.359]$ & $ [-0.056;  0.031]$ \\
married/partner    &                     &                     &                     &                    & $-0.038$            & $0.013$             & $-0.059$            & $0.014$             \\
                   &                     &                     &                     &                    & $ [-0.180;  0.105]$ & $ [-0.131;  0.156]$ & $ [-0.211;  0.093]$ & $ [-0.031;  0.060]$ \\
attitudes migrants &                     &                     &                     &                    & $0.463^{*}$         & $0.460^{*}$         & $0.426^{*}$         & $0.020$             \\
                   &                     &                     &                     &                    & $ [ 0.385;  0.541]$ & $ [ 0.381;  0.538]$ & $ [ 0.344;  0.509]$ & $ [-0.003;  0.044]$ \\
native born        &                     &                     &                     &                    & $-0.138$            & $-0.090$            & $-0.126$            & $0.027$             \\
                   &                     &                     &                     &                    & $ [-0.332;  0.055]$ & $ [-0.285;  0.106]$ & $ [-0.328;  0.076]$ & $ [-0.031;  0.085]$ \\
interest politics  &                     &                     &                     &                    & $0.001$             & $-0.012$            & $0.034$             & $0.029^{*}$         \\
                   &                     &                     &                     &                    & $ [-0.079;  0.081]$ & $ [-0.092;  0.068]$ & $ [-0.051;  0.119]$ & $ [ 0.007;  0.052]$ \\
\hline
cov                & no                  & no                  & no                  & no                 & yes                 & yes                 & yes                 & yes                 \\
Adj. R$^2$         & $0.059$             & $0.064$             & $0.051$             & $0.000$            & $0.176$             & $0.181$             & $0.142$             & $0.007$             \\
Num. obs.          & $1317$              & $1317$              & $1317$              & $1244$             & $1317$              & $1317$              & $1317$              & $1244$              \\
\hline
\end{tabular}
\begin{tablenotes}[flushleft]
\scriptsize{\item Presents estimates of average treatment effects and heteroskedasticity-consistent 95% CIs without and with covariate adjustment for Study 1. The sample includes Democratic registered voters who answered covariate and outcome questions. 
 $^*$ Null hypothesis value outside the confidence interval.}
\end{tablenotes}
\end{threeparttable}
\label{table:ols_study1_dem}
\end{center}
\end{table}
